A development team recently deployed a Java application on a default AWS Elastic Beanstalk environment.
The application is unable to connect to an Amazon S3 bucket that has a default configuration in the same account.
What should a security engineer do to troubleshoot this issue?

A. Confirm that the Elastic Beanstalk service role has access to Amazon S3.
B. Confirm that the Elastic Beanstalk instance profile has access to Amazon S3.
C. Confirm that the AWSElasticBeanstalkFullAccess managed policy is attached to the Elastic Beanstalk environment.
D. Confirm that the S3 bucket policy allows access from the Elastic Beanstalk application ARN.